Home / 2,557.28-3,523.76-2,057.92

Finding the Fourth Proportional to 2,557.28, 3,523.76 and 2,057.92

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Solution

The fourth proportional to 2,557.28, 3,523.76 and 2,057.92 is: 2,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.28 : 3,523.76 = 2,057.92 : x
  2. Step 2: Convert to fraction form
    2,557.28/3,523.76 = 2,057.92/x
  3. Step 3: Cross multiply
    2,557.28x = 3,523.76 × 2,057.92
  4. Step 4: Simplify right side
    2,557.28x = 7,251,616.18
  5. Step 5: Solve for x
    x = 7,251,616.18/2,557.28
  6. Step 6: Final answer
    x = 2,835.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.